Revision 66704054
Von Christian Ehringfeld vor fast 9 Jahren hinzugefügt
src/entitymanager.cpp | ||
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EntityManager::EntityManager(const QString &databaseType, QString databasename ,
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QString hostname,
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QString username,
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QString password, QString port) : QObject() {
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bool logQueries = false;
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#ifdef QT_DEBUG
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logQueries = true;
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#endif
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QString password, QString port, bool logQueries) : QObject() {
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auto db = new Database(databaseType, this->createConnection(), hostname,
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databasename, username,
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password,
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port.toInt(),true,logQueries);
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port.toInt(), true, logQueries);
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this->db = QSharedPointer<Database>(db);
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this->init();
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}
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... | ... | |
}
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bool EntityManager::startup(QString version, QStringList toInitialize) {
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QSharedPointer<Entity> dbm = QSharedPointer<DatabaseMigration>(new DatabaseMigration());
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QSharedPointer<Entity> dbm = QSharedPointer<DatabaseMigration>
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(new DatabaseMigration());
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QHash<QString, QVariant> map = QHash<QString, QVariant>();
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bool ok = true;
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map.insert("version", version);
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... | ... | |
}
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QSharedPointer<Entity> EntityManager::findById(const qint64 &id,
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QSharedPointer<Entity> &e,
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const bool refresh) {
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QSharedPointer<Entity> &e,
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const bool refresh) {
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QSharedPointer<Entity> r;
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if (!e.isNull() && (refresh
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|| !(r = this->cache.get(id, EntityHelper::getClassname(e.data()))))) {
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... | ... | |
}
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QSharedPointer<Entity> EntityManager::findById(const qint64 &id,
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const QString &classname) {
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const QString &classname) {
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QSharedPointer<Entity> e = QSharedPointer<Entity>
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(EntityInstanceFactory::createInstance(classname));
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(EntityInstanceFactory::createInstance(classname));
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return this->findById(id, e);
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}
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... | ... | |
bool ok = false;
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if ((convertedId = id.toLongLong(&ok)) && ok && convertedId > -1) {
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QString className = EntityInstanceFactory::extractEntityType(
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property.typeName());
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property.typeName());
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QSharedPointer<Entity> ptr = QSharedPointer<Entity>();
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if (refresh || !(this->cache.contains(convertedId, className)
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&& (ptr = this->cache.get(convertedId, className)) && ptr)) {
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... | ... | |
property.typeName())));
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if (e) {
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QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(e->getTablename(),
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this->schema->getQueryBuilder()->generateColumnNameID(r.getMappedBy()),
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entity->getId());
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this->schema->getQueryBuilder()->generateColumnNameID(r.getMappedBy()),
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entity->getId());
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auto listMap = this->convertQueryResult(q);
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auto entities = this->convert(listMap, EntityHelper::getClassname(e.data()), refresh);
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auto entities = this->convert(listMap, EntityHelper::getClassname(e.data()),
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refresh);
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EntityHelper::setListProperty(entity, entities, property);
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}
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}
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... | ... | |
EntityInstanceFactory::extractEntityType(property.typeName())));
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if (e) {
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QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(
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e->getTablename(),
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this->schema->getQueryBuilder()->generateColumnNameID(
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r.getMappedBy()),
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entity->getProperty(entity->getPrimaryKey()).toLongLong(), 1);
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e->getTablename(),
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this->schema->getQueryBuilder()->generateColumnNameID(
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r.getMappedBy()),
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entity->getProperty(entity->getPrimaryKey()).toLongLong(), 1);
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auto listMap = this->convertQueryResult(q);
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auto entities = this->convert(listMap, EntityHelper::getClassname(e.data()), refresh);
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auto entities = this->convert(listMap, EntityHelper::getClassname(e.data()),
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refresh);
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if (!entities.isEmpty()) {
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QSharedPointer<Entity> ptr = entities.at(0);
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EntityHelper::setProperty(entity, ptr, property);
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... | ... | |
}
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void EntityManager::savePrePersistedRelations(const QSharedPointer<Entity>
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&entity) {
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&entity) {
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auto relations = EntityHelper::getRelationProperties(entity.data());
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auto iterator = relations.constBegin();
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while (iterator != relations.constEnd()) {
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... | ... | |
auto e = EntityInstanceFactory::castQVariant(var);
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if (this->shouldBeSaved(e, r)) {
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this->save(e);
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auto fkProp = EntityHelper::mappedProperty(r,e);
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if(fkProp.isValid()) {
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EntityHelper::addEntityToListProperty(e,entity,fkProp);
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auto fkProp = EntityHelper::mappedProperty(r, e);
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if (fkProp.isValid()) {
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EntityHelper::addEntityToListProperty(e, entity, fkProp);
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}
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}
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} else if (r.getType() == RelationType::ONE_TO_ONE && r.getMappedBy().isEmpty()) {
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} else if (r.getType() == RelationType::ONE_TO_ONE
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&& r.getMappedBy().isEmpty()) {
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auto e = EntityInstanceFactory::castQVariant(var);
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this->save(e);
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auto prop = EntityHelper::mappedProperty(r,e);
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if(prop.isValid()) {
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EntityHelper::setProperty(e,entity,prop);
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auto prop = EntityHelper::mappedProperty(r, e);
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if (prop.isValid()) {
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EntityHelper::setProperty(e, entity, prop);
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}
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}
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}
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... | ... | |
}
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void EntityManager::savePostPersistedRelations(const QSharedPointer<Entity>
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&entity) {
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&entity) {
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auto relations = EntityHelper::getRelationProperties(entity.data());
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auto iterator = relations.constBegin();
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while (iterator != relations.constEnd()) {
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... | ... | |
this->persistManyToMany(entity, r, var);
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} else if (this->canPersistRelation(r, RelationType::ONE_TO_MANY, var)) {
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QList<QSharedPointer<Entity>> list = EntityInstanceFactory::castQVariantList(
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var);
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if(!list.isEmpty()) {
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auto fkProp = EntityHelper::mappedProperty(r,list.at(0));
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var);
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if (!list.isEmpty()) {
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auto fkProp = EntityHelper::mappedProperty(r, list.at(0));
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for (int var = 0; var < list.size(); ++var) {
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auto e = list.at(var);
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if (this->shouldBeSaved(e, r)) {
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this->save(e);
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if(fkProp.isValid()) {
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EntityHelper::addEntityToListProperty(e,entity,fkProp);
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if (fkProp.isValid()) {
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EntityHelper::addEntityToListProperty(e, entity, fkProp);
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}
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}
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}
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... | ... | |
&& !r.getMappedBy().isEmpty()) {
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auto e = EntityInstanceFactory::castQVariant(var);
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this->save(e);
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auto fkProp = EntityHelper::mappedProperty(r,e);
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if(fkProp.isValid()) {
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EntityHelper::addEntityToListProperty(e,entity,fkProp);
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auto fkProp = EntityHelper::mappedProperty(r, e);
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if (fkProp.isValid()) {
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EntityHelper::addEntityToListProperty(e, entity, fkProp);
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}
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}
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}
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... | ... | |
}
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void EntityManager::persistMappedByRelation(const QList<QSharedPointer<Entity> >
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&list, QSqlQuery &q, const QSharedPointer<Entity> &entity,
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const QSharedPointer<Entity> &ptr, const Relation &r,
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const QString &tblName) {
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&list, QSqlQuery &q, const QSharedPointer<Entity> &entity,
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const QSharedPointer<Entity> &ptr, const Relation &r,
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const QString &tblName) {
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q.clear();
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QList<QSharedPointer<Entity>> saved = r.getCascadeType().contains(
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CascadeType::ALL)
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|| r.getCascadeType().contains(CascadeType::MERGE)
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|| r.getCascadeType().contains(CascadeType::PERSIST) ?
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this->saveRelationEntities(list,
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r) : list;
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QList<QSharedPointer<Entity>> saved =
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r.getCascadeType().contains(CascadeType::ALL) ||
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r.getCascadeType().contains(CascadeType::MERGE) ||
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r.getCascadeType().contains(CascadeType::PERSIST) ?
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this->saveRelationEntities(list, r) : list;
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this->db->startTransaction();
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auto builder = this->schema->getQueryBuilder();
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q = builder->manyToManyInsert(tblName,
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... | ... | |
builder->generateManyToManyColumnName(ptr));
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q.bindValue(0, entity->getProperty(entity->getPrimaryKey()));
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auto prop = EntityHelper::mappedProperty(r, ptr);
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bool propertyIsValid = this->isRelationPropertyValid(prop, r, entity, ptr);
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QSharedPointer<Entity> item;
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for (int var = 0; var < saved.size(); ++var) {
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item = list.at(var);
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if (item->getProperty(item->getPrimaryKey()).toLongLong() > -1) {
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q.bindValue(1, item->getProperty(ptr->getPrimaryKey()));
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this->schema->getDatabase()->exec(q);
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if (prop.isReadable()) {
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bool ok = this->db->exec(q);
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if (ok && propertyIsValid) {
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EntityHelper::addEntityToListProperty(item, entity, prop);
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} else {
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qDebug() << "Query exec for many to many relation failed." <<
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q.lastError().text();
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qDebug() << "Involved entities: " << EntityHelper::getClassName(entity.data()) <<
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"(MainEntitiy) and " << EntityHelper::getClassName(ptr.data());
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qDebug() << "Relation:" << r.getPropertyName();
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}
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}
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}
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... | ... | |
}
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}
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bool EntityManager::isRelationPropertyValid(const QMetaProperty &prop,
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const Relation &r, const QSharedPointer<Entity> &e,
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const QSharedPointer<Entity> &relatedEntity) {
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bool propertyIsValid = prop.isValid() && prop.isReadable() && prop.isWritable();
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if (!propertyIsValid) {
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qDebug() << "Relation is incomplete:" << r.getPropertyName();
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qDebug() << "Involved entities: " << EntityHelper::getClassName(
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e.data()) <<
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"(MainEntitiy) and " << EntityHelper::getClassName(relatedEntity.data());
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}
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return propertyIsValid;
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}
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bool EntityManager::shouldBeSaved(QSharedPointer<Entity> &entity,
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const Relation &r) {
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return entity && (r.getCascadeType().contains(CascadeType::ALL)
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... | ... | |
}
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void EntityManager::setNullEntityPropertyRelation(QVariant &var,
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const Relation &r) {
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const Relation &r) {
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if (r.getCascadeType().contains(CascadeType::REMOVE)
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|| r.getCascadeType().contains(CascadeType::ALL)) {
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this->removeEntity(var);
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... | ... | |
auto e = EntityInstanceFactory::castQVariant(var);
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auto metas = EntityHelper::getMetaProperties(e.data());
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if (metas.contains(r.getMappedBy())) {
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EntityHelper::setProperty(e, QSharedPointer<Entity>(), metas.value(r.getMappedBy()));
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EntityHelper::setProperty(e, QSharedPointer<Entity>(),
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metas.value(r.getMappedBy()));
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this->save(e);
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}
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}
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... | ... | |
}
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void EntityManager::removeManyToManyEntityList(const QSharedPointer<Entity> &e,
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const Relation &r,
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QVariant &var) {
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const Relation &r,
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QVariant &var) {
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if (!var.isNull() && var.canConvert<QVariantList>()) {
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auto list = EntityInstanceFactory::castQVariantList(var);
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if (!list.isEmpty()) {
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... | ... | |
QString tblName = builder->generateManyToManyTableName(e, ptr, r);
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if (this->schema->getTables().contains(tblName)) {
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QSqlQuery q = builder->manyToManyDelete(
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tblName, builder->generateManyToManyColumnName(e),
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e->getProperty(e->getPrimaryKey()).toLongLong());
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tblName, builder->generateManyToManyColumnName(e),
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e->getProperty(e->getPrimaryKey()).toLongLong());
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bool refresh = r.getCascadeType().contains(CascadeType::REFRESH)
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|| r.getCascadeType().contains(CascadeType::ALL);
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|| r.getCascadeType().contains(CascadeType::ALL);
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bool remove = r.getCascadeType().contains(CascadeType::REMOVE)
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|| r.getCascadeType().contains(CascadeType::ALL);
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|| r.getCascadeType().contains(CascadeType::ALL);
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if (this->schema->getDatabase()->exec(q)) {
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for (int var = 0; var < list.size(); ++var) {
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auto entity = list.at(var);
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... | ... | |
}
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QList<QSharedPointer<Entity>> EntityManager::saveRelationEntities(
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const QList<QSharedPointer<Entity> > &list, const Relation &r) {
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const QList<QSharedPointer<Entity> > &list, const Relation &r) {
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QList<QSharedPointer<Entity>> saved = QList<QSharedPointer<Entity>>();
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QSharedPointer<Entity> ptr;
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for (int var = 0; var < list.size(); ++var) {
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... | ... | |
QString tblName = builder->generateManyToManyTableName(entity, ptr, r);
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if (this->schema->getTables().contains(tblName)) {
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QSqlQuery q = builder->manyToManyDelete(
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tblName, builder->generateManyToManyColumnName(entity),
|
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entity->getProperty(entity->getPrimaryKey()).toLongLong());
|
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tblName, builder->generateManyToManyColumnName(entity),
|
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entity->getProperty(entity->getPrimaryKey()).toLongLong());
|
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if (this->db->exec(q)) {
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auto nList = EntityInstanceFactory::castQVariantList(property);
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this->persistMappedByRelation(nList, q, entity, ptr, r, tblName);
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}
|
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} else {
|
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qDebug() << "MANY_TO_MANY Table " << tblName << " not exists";
|
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this->missingManyToManyTable(tblName, entity, r);
|
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}
|
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}
|
||
}
|
||
|
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|
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void EntityManager::missingManyToManyTable(const QString &tblName,
|
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const QSharedPointer<Entity> &e, const Relation &r) {
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qDebug() << "MANY_TO_MANY Table " << tblName << " is missing";
|
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qDebug() << "Entity " << EntityHelper::getClassName(e.data()) << " is affected";
|
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qDebug() << "Relation of property: " << r.getPropertyName();
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/**
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@todo wait for Qt 5.5.1
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@see https://codereview.qt-project.org/#/c/122232/
|
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*/
|
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//qDebug() << "RelationType:" << r.getType() << " MappedBy:" << r.getMappedBy();
|
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}
|
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|
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void EntityManager::manyToMany(const QSharedPointer<Entity> &entity,
|
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const QMetaProperty &property, const Relation &relation, const bool refresh) {
|
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QSharedPointer<Entity> secEntityPtr = QSharedPointer<Entity>
|
||
(EntityInstanceFactory::createInstance(EntityInstanceFactory::extractEntityType(
|
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QString(property.typeName()))));
|
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(EntityInstanceFactory::createInstance(EntityInstanceFactory::extractEntityType(
|
||
QString(property.typeName()))));
|
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auto builder = this->schema->getQueryBuilder();
|
||
if (secEntityPtr) {
|
||
QString tblName = builder->generateManyToManyTableName(entity, secEntityPtr,
|
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relation);
|
||
relation);
|
||
if (this->schema->getTables().contains(tblName)) {
|
||
QSqlQuery q = builder->manyToMany(tblName,
|
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builder->generateManyToManyColumnName(entity),
|
||
... | ... | |
auto id = listMap.at(var).value(builder->generateManyToManyColumnName(
|
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secEntityPtr));
|
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if (!refresh
|
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&& this->cache.contains(id.toLongLong(), EntityHelper::getClassname(secEntityPtr.data()))) {
|
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e = this->cache.get(id.toLongLong(), EntityHelper::getClassname(secEntityPtr.data()));
|
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&& this->cache.contains(id.toLongLong(),
|
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EntityHelper::getClassname(secEntityPtr.data()))) {
|
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e = this->cache.get(id.toLongLong(),
|
||
EntityHelper::getClassname(secEntityPtr.data()));
|
||
} else {
|
||
e = this->findById(id.toLongLong(), EntityHelper::getClassname(secEntityPtr.data()));
|
||
e = this->findById(id.toLongLong(),
|
||
EntityHelper::getClassname(secEntityPtr.data()));
|
||
}
|
||
if(e) {
|
||
EntityHelper::addEntityToListProperty(entity,e,property);
|
||
if (e) {
|
||
EntityHelper::addEntityToListProperty(entity, e, property);
|
||
}
|
||
}
|
||
} else {
|
||
qDebug() << "MANY_TO_MANY Table " << tblName << " not exists";
|
||
this->missingManyToManyTable(tblName, entity, relation);
|
||
}
|
||
}
|
||
}
|
||
|
||
QList<QSharedPointer<Entity> > EntityManager::findEntityByAttributes(
|
||
const QSharedPointer<Entity>
|
||
&entity,
|
||
bool ignoreID) {
|
||
const QSharedPointer<Entity>
|
||
&entity,
|
||
bool ignoreID) {
|
||
auto maps = this->findAllByAttributes(entity, ignoreID);
|
||
return this->convert(maps, EntityHelper::getClassname(entity.data()));
|
||
}
|
||
... | ... | |
}
|
||
this->db->startTransaction();
|
||
QList<QSqlQuery> q = this->schema->getQueryBuilder()->create(
|
||
entity);
|
||
entity);
|
||
bool first = true;
|
||
QVariant id = -1;
|
||
for (int var = 0; var < q.size(); ++var) {
|
||
... | ... | |
}
|
||
rc = this->db->exec(query);
|
||
if (!rc) {
|
||
qDebug() << "Query failed:" << query.lastError().text() << " of class " <<
|
||
EntityHelper::getClassname(entity.data());
|
||
qDebug() << "class is erroneous:" << EntityHelper::getClassname(entity.data());
|
||
break;
|
||
}
|
||
if (first) {
|
||
... | ... | |
}
|
||
this->db->startTransaction();
|
||
QList<QSqlQuery> q = this->schema->getQueryBuilder()->merge(
|
||
entity);
|
||
bool ok = true;
|
||
for (int var = 0; var < q.size(); ++var) {
|
||
auto query = q.at(var);
|
||
ok = this->db->exec(query);
|
||
if (!ok) {
|
||
qDebug() << query.lastError().text();
|
||
break;
|
||
}
|
||
}
|
||
entity);
|
||
bool ok = this->db->exec(q);
|
||
if (!ok || !this->db->commitTransaction()) {
|
||
this->db->rollbackTransaction();
|
||
return false;
|
||
... | ... | |
}
|
||
|
||
QHash<QString, QVariant> EntityManager::findByPk(qint64 id,
|
||
const QSharedPointer<Entity>
|
||
&e) {
|
||
const QSharedPointer<Entity>
|
||
&e) {
|
||
QSqlQuery q = this->schema->getQueryBuilder()->find(id, e, 0,
|
||
e->getPrimaryKey());
|
||
e->getPrimaryKey());
|
||
auto listMap = this->convertQueryResult(q);
|
||
if (!listMap.isEmpty()) {
|
||
return listMap.at(0);
|
||
... | ... | |
|
||
|
||
QList<QHash<QString, QVariant> > EntityManager::findAllByAttributes(
|
||
const QSharedPointer<Entity>
|
||
&entity,
|
||
bool ignoreID) {
|
||
const QSharedPointer<Entity>
|
||
&entity,
|
||
bool ignoreID) {
|
||
QSqlQuery q = this->schema->getQueryBuilder()->findByAttributes(
|
||
entity, ignoreID);
|
||
entity, ignoreID);
|
||
return this->convertQueryResult(q);
|
||
}
|
||
|
||
QList<QHash <QString, QVariant> > EntityManager::findAllByAttributes(
|
||
const QHash<QString, QVariant> &m, const QString &tblname, bool ignoreID) {
|
||
const QHash<QString, QVariant> &m, const QString &tblname, bool ignoreID) {
|
||
QSqlQuery q = this->schema->getQueryBuilder()->findByAttributes(m,
|
||
tblname, ignoreID);
|
||
tblname, ignoreID);
|
||
return this->convertQueryResult(q);
|
||
}
|
||
|
||
QList<QHash<QString, QVariant> > EntityManager::convertQueryResult(
|
||
QSqlQuery &q) {
|
||
QSqlQuery &q) {
|
||
QList<QHash <QString, QVariant> > listmap = QList<QHash <QString, QVariant> >();
|
||
this->db->select(q);
|
||
QSqlRecord rec = q.record();
|
||
... | ... | |
}
|
||
|
||
QList<QHash <QString, QVariant> > EntityManager::findAll(
|
||
const QSharedPointer<Entity> &e) {
|
||
const QSharedPointer<Entity> &e) {
|
||
QSqlQuery q = this->schema->getQueryBuilder()->findAll(e);
|
||
return this->convertQueryResult(q);
|
||
}
|
||
... | ... | |
const Relation r = iterator.key();
|
||
const QMetaProperty property = iterator.value();
|
||
QString colName = this->schema->getQueryBuilder()->generateColumnNameID(
|
||
r.getPropertyName());
|
||
r.getPropertyName());
|
||
switch (r.getType()) {
|
||
case RelationType::MANY_TO_ONE:
|
||
if (map.contains(colName)) {
|
||
... | ... | |
this->db->startTransaction();
|
||
this->removeRelations(entity);
|
||
auto queries = this->schema->getQueryBuilder()->remove(entity);
|
||
bool ok = true;
|
||
for (int var = 0; var < queries.size(); ++var) {
|
||
auto q = queries.at(var);
|
||
if (!q.exec()) {
|
||
this->db->rollbackTransaction();
|
||
ok = false;
|
||
break;
|
||
}
|
||
}
|
||
bool ok = this->db->exec(queries);
|
||
if (ok && this->db->commitTransaction()) {
|
||
this->cache.remove(entity);
|
||
entity.clear();
|
||
rc = true;
|
||
} else {
|
||
this->db->rollbackTransaction();
|
||
}
|
||
return rc;
|
||
}
|
||
... | ... | |
bool EntityManager::createTable(const QSharedPointer<Entity> &entity,
|
||
bool createRelationTables) {
|
||
return this->schema->getQueryBuilder()->createTable(entity,
|
||
createRelationTables);
|
||
createRelationTables);
|
||
}
|
||
|
||
qint8 EntityManager::count(const QSharedPointer<Entity> &entity,
|
||
bool ignoreID) {
|
||
qint8 rc = -1;
|
||
QSqlQuery q = this->schema->getQueryBuilder()->count(entity,
|
||
ignoreID);
|
||
ignoreID);
|
||
this->db->select(q);
|
||
if (q.next()) {
|
||
rc = q.value(0).toInt();
|
||
... | ... | |
}
|
||
|
||
QSharedPointer<Entity> EntityManager::convert(const QHash<QString, QVariant>
|
||
&map,
|
||
const char *classname,const bool refresh) {
|
||
&map,
|
||
const char *classname, const bool refresh) {
|
||
auto ptr = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
|
||
classname, map));
|
||
this->cache.insert(ptr);
|
||
... | ... | |
}
|
||
|
||
QList<QSharedPointer<Entity> > EntityManager::convert(
|
||
QList<QHash<QString, QVariant> > maps,
|
||
const char *classname,const bool refresh) {
|
||
QList<QHash<QString, QVariant> > maps,
|
||
const char *classname, const bool refresh) {
|
||
auto list = QList<QSharedPointer<Entity> >();
|
||
for (int var = 0; var < maps.size(); ++var) {
|
||
auto ptr = this->convert(maps.at(var), classname, refresh);
|
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